Question 45 of 48intermediate🔧 ApplyNumerical6 marks
Solve by aligning the numbers in columns in your notebook.
(1)
38 + 943
Answer
38 + 943 = 981
(2)
465 + 305
Answer
465 + 305 = 770
(3)
435 + 462
Answer
435 + 462 = 897
(4)
764 - 657
Answer
764 - 657 = 107
(5)
518 - 209
Answer
518 - 209 = 309
(6)
879 - 53
Answer
879 - 53 = 826
Explanation
(1) Add: 8 + 3 = 11, carry 1. 3 + 4 + 1 = 8. 0 + 9 = 9. Answer: 981 (2) Add: 5 + 5 = 10, carry 1. 6 + 0 + 1 = 7. 4 + 3 = 7. Answer: 770 (3) Add: 5 + 2 = 7. 3 + 6 = 9. 4 + 4 = 8. Answer: 897 (4) Subtract: 4 - 7, borrow. 14 - 7 = 7. 5 - 5 = 0. 7 - 6 = 1. Answer: 107 (5) Subtract: 8 - 9, borrow. 18 - 9 = 9. 0 - 0 = 0. 5 - 2 = 3. Answer: 309 (6) Subtract: 9 - 3 = 6. 7 - 5 = 2. 8 - 0 = 8. Answer: 826